74429747
Aug 30, 1993
laminated wood products and wood-included products used for structural purposes in building construction in a way that provides economic and/or environmental benefits, namely glue lam beams, joists, trusses, laminated veneer lumber, plywood lumber beams, sandwich wood panels, foam filled plywood panels, parallel strand lumber and building construction combinations comprised of one or more of the foregoing
Nonmetallic Building Materials